mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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640 lines
20 KiB
C
640 lines
20 KiB
C
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/*
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* GStreamer
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* Copyright (C) 2016 Vivia Nikolaidou <vivia@toolsonair.com>
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*
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* Based on gstvideoframe-audiolevel.c:
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* Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-timecodewait
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*
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* This element acts like a synchronized audio/video "level". It gathers
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* all audio buffers sent between two video frames, and then sends a message
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* that contains the RMS value of all samples for these buffers.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch-1.0 filesrc location="my_file" ! decodebin name=d ! "audio/x-raw" ! timecodewait name=l target-timecode-str="00:00:04:00" ! autoaudiosink d. ! "video/x-raw" ! timecodestamper ! l. l. ! queue ! timeoverlay time-mode=time-code ! autovideosink
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gsttimecodewait.h"
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#define GST_CAT_DEFAULT gst_timecodewait_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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static GstStaticPadTemplate audio_sink_template =
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GST_STATIC_PAD_TEMPLATE ("asink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw")
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);
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static GstStaticPadTemplate audio_src_template =
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GST_STATIC_PAD_TEMPLATE ("asrc",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw")
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);
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static GstStaticPadTemplate video_sink_template =
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GST_STATIC_PAD_TEMPLATE ("vsink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw")
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);
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static GstStaticPadTemplate video_src_template =
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GST_STATIC_PAD_TEMPLATE ("vsrc",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw")
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);
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#define parent_class gst_timecodewait_parent_class
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G_DEFINE_TYPE (GstTimeCodeWait, gst_timecodewait, GST_TYPE_ELEMENT);
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enum
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{
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PROP_0,
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PROP_TARGET_TIME_CODE,
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PROP_TARGET_TIME_CODE_STRING
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};
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#define DEFAULT_TARGET_TIMECODE_STR "00:00:00:00"
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static void gst_timecodewait_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_timecodewait_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static GstFlowReturn gst_timecodewait_asink_chain (GstPad * pad,
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GstObject * parent, GstBuffer * inbuf);
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static GstFlowReturn gst_timecodewait_vsink_chain (GstPad * pad,
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GstObject * parent, GstBuffer * inbuf);
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static gboolean gst_timecodewait_asink_event (GstPad * pad,
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GstObject * parent, GstEvent * event);
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static gboolean gst_timecodewait_vsink_event (GstPad * pad,
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GstObject * parent, GstEvent * event);
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static GstIterator *gst_timecodewait_iterate_internal_links (GstPad *
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pad, GstObject * parent);
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static void gst_timecodewait_finalize (GObject * gobject);
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static GstStateChangeReturn gst_timecodewait_change_state (GstElement *
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element, GstStateChange transition);
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static void
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gst_timecodewait_class_init (GstTimeCodeWaitClass * klass)
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{
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GstElementClass *gstelement_class;
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GST_DEBUG_CATEGORY_INIT (gst_timecodewait_debug,
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"timecodewait", 0, "timecodewait");
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gstelement_class = (GstElementClass *) klass;
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gst_element_class_set_static_metadata (gstelement_class,
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"Timecode Wait", "Filter/Audio/Video",
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"Drops all audio/video until a specific timecode has been reached",
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"Vivia Nikolaidou <vivia@toolsonair.com>");
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gobject_class->set_property = gst_timecodewait_set_property;
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gobject_class->get_property = gst_timecodewait_get_property;
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g_object_class_install_property (gobject_class, PROP_TARGET_TIME_CODE_STRING,
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g_param_spec_string ("target-timecode-string", "Target timecode (string)",
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"Timecode to wait for (string). Must take the form 00:00:00:00",
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DEFAULT_TARGET_TIMECODE_STR,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TARGET_TIME_CODE,
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g_param_spec_boxed ("target-timecode", "Target timecode (object)",
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"Timecode to wait for (object)",
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GST_TYPE_VIDEO_TIME_CODE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gobject_class->finalize = gst_timecodewait_finalize;
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gstelement_class->change_state = gst_timecodewait_change_state;
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gst_element_class_add_static_pad_template (gstelement_class,
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&audio_src_template);
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gst_element_class_add_static_pad_template (gstelement_class,
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&audio_sink_template);
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gst_element_class_add_static_pad_template (gstelement_class,
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&video_src_template);
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gst_element_class_add_static_pad_template (gstelement_class,
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&video_sink_template);
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}
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static void
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gst_timecodewait_init (GstTimeCodeWait * self)
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{
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self->asinkpad =
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gst_pad_new_from_static_template (&audio_sink_template, "asink");
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gst_pad_set_chain_function (self->asinkpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_asink_chain));
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gst_pad_set_event_function (self->asinkpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_asink_event));
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gst_pad_set_iterate_internal_links_function (self->asinkpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
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gst_element_add_pad (GST_ELEMENT (self), self->asinkpad);
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self->vsinkpad =
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gst_pad_new_from_static_template (&video_sink_template, "vsink");
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gst_pad_set_chain_function (self->vsinkpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_vsink_chain));
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gst_pad_set_event_function (self->vsinkpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_vsink_event));
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gst_pad_set_iterate_internal_links_function (self->vsinkpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
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gst_element_add_pad (GST_ELEMENT (self), self->vsinkpad);
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self->asrcpad =
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gst_pad_new_from_static_template (&audio_src_template, "asrc");
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gst_pad_set_iterate_internal_links_function (self->asrcpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
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gst_element_add_pad (GST_ELEMENT (self), self->asrcpad);
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self->vsrcpad =
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gst_pad_new_from_static_template (&video_src_template, "vsrc");
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gst_pad_set_iterate_internal_links_function (self->vsrcpad,
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GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
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gst_element_add_pad (GST_ELEMENT (self), self->vsrcpad);
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GST_PAD_SET_PROXY_CAPS (self->asinkpad);
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GST_PAD_SET_PROXY_ALLOCATION (self->asinkpad);
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GST_PAD_SET_PROXY_CAPS (self->asrcpad);
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GST_PAD_SET_PROXY_SCHEDULING (self->asrcpad);
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GST_PAD_SET_PROXY_CAPS (self->vsinkpad);
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GST_PAD_SET_PROXY_ALLOCATION (self->vsinkpad);
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GST_PAD_SET_PROXY_CAPS (self->vsrcpad);
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GST_PAD_SET_PROXY_SCHEDULING (self->vsrcpad);
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self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
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self->video_eos_flag = FALSE;
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self->audio_flush_flag = FALSE;
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self->shutdown_flag = FALSE;
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self->from_string = FALSE;
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self->tc = gst_video_time_code_new_empty ();
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g_mutex_init (&self->mutex);
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g_cond_init (&self->cond);
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}
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static GstStateChangeReturn
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gst_timecodewait_change_state (GstElement * element, GstStateChange transition)
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{
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GstStateChangeReturn ret;
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GstTimeCodeWait *self = GST_TIMECODEWAIT (element);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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g_mutex_lock (&self->mutex);
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self->shutdown_flag = TRUE;
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g_cond_signal (&self->cond);
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g_mutex_unlock (&self->mutex);
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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g_mutex_lock (&self->mutex);
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self->shutdown_flag = FALSE;
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self->video_eos_flag = FALSE;
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self->audio_flush_flag = FALSE;
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g_mutex_unlock (&self->mutex);
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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g_mutex_lock (&self->mutex);
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self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
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gst_segment_init (&self->asegment, GST_FORMAT_UNDEFINED);
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self->asegment.position = GST_CLOCK_TIME_NONE;
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gst_segment_init (&self->vsegment, GST_FORMAT_UNDEFINED);
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self->vsegment.position = GST_CLOCK_TIME_NONE;
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g_mutex_unlock (&self->mutex);
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break;
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default:
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break;
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}
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return ret;
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}
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static void
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gst_timecodewait_finalize (GObject * object)
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{
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GstTimeCodeWait *self = GST_TIMECODEWAIT (object);
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if (self->tc) {
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gst_video_time_code_free (self->tc);
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self->tc = NULL;
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}
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g_mutex_clear (&self->mutex);
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g_cond_clear (&self->cond);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_timecodewait_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstTimeCodeWait *self = GST_TIMECODEWAIT (object);
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switch (prop_id) {
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case PROP_TARGET_TIME_CODE_STRING:{
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if (self->tc)
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g_value_take_string (value, gst_video_time_code_to_string (self->tc));
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else
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g_value_set_string (value, DEFAULT_TARGET_TIMECODE_STR);
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break;
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}
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case PROP_TARGET_TIME_CODE:{
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g_value_set_boxed (value, self->tc);
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break;
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}
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_timecodewait_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstTimeCodeWait *self = GST_TIMECODEWAIT (object);
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switch (prop_id) {
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case PROP_TARGET_TIME_CODE_STRING:{
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gchar **parts;
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const gchar *tc_str;
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guint hours, minutes, seconds, frames;
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tc_str = g_value_get_string (value);
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parts = g_strsplit (tc_str, ":", 4);
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if (!parts || parts[3] == NULL) {
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GST_ERROR_OBJECT (self,
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"Error: Could not parse timecode %s. Please input a timecode in the form 00:00:00:00",
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tc_str);
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g_strfreev (parts);
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return;
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}
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hours = g_ascii_strtoll (parts[0], NULL, 10);
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minutes = g_ascii_strtoll (parts[1], NULL, 10);
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seconds = g_ascii_strtoll (parts[2], NULL, 10);
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frames = g_ascii_strtoll (parts[3], NULL, 10);
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gst_video_time_code_init (self->tc, 0, 1, NULL, 0, hours, minutes,
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seconds, frames, 0);
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if (self->vinfo.finfo != NULL) {
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self->tc->config.fps_n = self->vinfo.fps_n;
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self->tc->config.fps_d = self->vinfo.fps_d;
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}
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self->from_string = TRUE;
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g_strfreev (parts);
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break;
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}
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case PROP_TARGET_TIME_CODE:{
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if (self->tc)
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gst_video_time_code_free (self->tc);
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self->tc = g_value_dup_boxed (value);
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self->from_string = FALSE;
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break;
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}
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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gst_timecodewait_vsink_event (GstPad * pad, GstObject * parent,
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GstEvent * event)
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{
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GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
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GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_SEGMENT:
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g_mutex_lock (&self->mutex);
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gst_event_copy_segment (event, &self->vsegment);
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if (self->vsegment.format != GST_FORMAT_TIME) {
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GST_ERROR_OBJECT (self, "Invalid segment format");
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g_mutex_unlock (&self->mutex);
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gst_event_unref (event);
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return FALSE;
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}
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self->vsegment.position = GST_CLOCK_TIME_NONE;
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g_mutex_unlock (&self->mutex);
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break;
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case GST_EVENT_GAP:
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gst_event_unref (event);
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return TRUE;
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case GST_EVENT_EOS:
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g_mutex_lock (&self->mutex);
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self->video_eos_flag = TRUE;
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g_cond_signal (&self->cond);
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g_mutex_unlock (&self->mutex);
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break;
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case GST_EVENT_FLUSH_START:
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g_mutex_lock (&self->mutex);
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gst_segment_init (&self->vsegment, GST_FORMAT_UNDEFINED);
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g_cond_signal (&self->cond);
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g_mutex_unlock (&self->mutex);
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self->vsegment.position = GST_CLOCK_TIME_NONE;
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break;
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case GST_EVENT_CAPS:{
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GstCaps *caps;
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gst_event_parse_caps (event, &caps);
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GST_DEBUG_OBJECT (self, "Got caps %" GST_PTR_FORMAT, caps);
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if (!gst_video_info_from_caps (&self->vinfo, caps)) {
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gst_event_unref (event);
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return FALSE;
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}
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g_mutex_lock (&self->mutex);
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if (self->from_string) {
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||
|
self->tc->config.fps_n = self->vinfo.fps_n;
|
||
|
self->tc->config.fps_d = self->vinfo.fps_d;
|
||
|
}
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
break;
|
||
|
}
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
return gst_pad_event_default (pad, parent, event);
|
||
|
}
|
||
|
|
||
|
static gboolean
|
||
|
gst_timecodewait_asink_event (GstPad * pad, GstObject * parent,
|
||
|
GstEvent * event)
|
||
|
{
|
||
|
GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
|
||
|
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
|
||
|
|
||
|
switch (GST_EVENT_TYPE (event)) {
|
||
|
case GST_EVENT_SEGMENT:
|
||
|
g_mutex_lock (&self->mutex);
|
||
|
self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
|
||
|
gst_event_copy_segment (event, &self->asegment);
|
||
|
if (self->asegment.format != GST_FORMAT_TIME) {
|
||
|
GST_ERROR_OBJECT (self, "Invalid segment format");
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
return FALSE;
|
||
|
}
|
||
|
self->asegment.position = GST_CLOCK_TIME_NONE;
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
break;
|
||
|
case GST_EVENT_FLUSH_START:
|
||
|
g_mutex_lock (&self->mutex);
|
||
|
self->audio_flush_flag = TRUE;
|
||
|
g_cond_signal (&self->cond);
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
break;
|
||
|
case GST_EVENT_FLUSH_STOP:
|
||
|
g_mutex_lock (&self->mutex);
|
||
|
self->audio_flush_flag = FALSE;
|
||
|
self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
|
||
|
gst_segment_init (&self->asegment, GST_FORMAT_UNDEFINED);
|
||
|
self->asegment.position = GST_CLOCK_TIME_NONE;
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
break;
|
||
|
case GST_EVENT_CAPS:{
|
||
|
GstCaps *caps;
|
||
|
gst_event_parse_caps (event, &caps);
|
||
|
GST_DEBUG_OBJECT (self, "Got caps %" GST_PTR_FORMAT, caps);
|
||
|
g_mutex_lock (&self->mutex);
|
||
|
if (!gst_audio_info_from_caps (&self->ainfo, caps)) {
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
return FALSE;
|
||
|
}
|
||
|
self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
break;
|
||
|
}
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
return gst_pad_event_default (pad, parent, event);
|
||
|
}
|
||
|
|
||
|
static GstFlowReturn
|
||
|
gst_timecodewait_vsink_chain (GstPad * pad, GstObject * parent,
|
||
|
GstBuffer * inbuf)
|
||
|
{
|
||
|
GstClockTime timestamp;
|
||
|
GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
|
||
|
GstClockTime duration;
|
||
|
GstVideoTimeCode *tc = NULL;
|
||
|
GstVideoTimeCodeMeta *tc_meta;
|
||
|
|
||
|
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
|
||
|
if (timestamp == GST_CLOCK_TIME_NONE) {
|
||
|
gst_buffer_unref (inbuf);
|
||
|
return GST_FLOW_ERROR;
|
||
|
}
|
||
|
g_mutex_lock (&self->mutex);
|
||
|
self->vsegment.position = timestamp;
|
||
|
duration = GST_BUFFER_DURATION (inbuf);
|
||
|
if (duration != GST_CLOCK_TIME_NONE)
|
||
|
self->vsegment.position += duration;
|
||
|
tc_meta = gst_buffer_get_video_time_code_meta (inbuf);
|
||
|
if (tc_meta)
|
||
|
tc = &tc_meta->tc;
|
||
|
if (self->tc != NULL && tc != NULL) {
|
||
|
if (gst_video_time_code_compare (tc, self->tc) < 0
|
||
|
&& self->running_time_of_timecode == GST_CLOCK_TIME_NONE) {
|
||
|
GST_DEBUG_OBJECT (self, "Timecode not yet reached, ignoring frame");
|
||
|
gst_buffer_unref (inbuf);
|
||
|
inbuf = NULL;
|
||
|
} else if (self->running_time_of_timecode == GST_CLOCK_TIME_NONE) {
|
||
|
GST_INFO_OBJECT (self, "Target timecode reached at %" GST_TIME_FORMAT,
|
||
|
GST_TIME_ARGS (self->vsegment.position));
|
||
|
self->running_time_of_timecode =
|
||
|
gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
|
||
|
self->vsegment.position);
|
||
|
}
|
||
|
}
|
||
|
g_cond_signal (&self->cond);
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
if (inbuf)
|
||
|
return gst_pad_push (self->vsrcpad, inbuf);
|
||
|
else
|
||
|
return GST_FLOW_OK;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* assumes sign1 and sign2 are either 1 or -1
|
||
|
* returns 0 if sign1*num1 == sign2*num2
|
||
|
* -1 if sign1*num1 < sign2*num2
|
||
|
* 1 if sign1*num1 > sign2*num2
|
||
|
*/
|
||
|
static gint
|
||
|
gst_timecodewait_compare_guint64_with_signs (gint sign1,
|
||
|
guint64 num1, gint sign2, guint64 num2)
|
||
|
{
|
||
|
if (sign1 != sign2)
|
||
|
return sign1;
|
||
|
else if (num1 == num2)
|
||
|
return 0;
|
||
|
else
|
||
|
return num1 > num2 ? sign1 : -sign1;
|
||
|
}
|
||
|
|
||
|
static GstFlowReturn
|
||
|
gst_timecodewait_asink_chain (GstPad * pad, GstObject * parent,
|
||
|
GstBuffer * inbuf)
|
||
|
{
|
||
|
GstClockTime timestamp;
|
||
|
GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
|
||
|
GstClockTime current_running_time;
|
||
|
GstClockTime video_running_time = GST_CLOCK_TIME_NONE;
|
||
|
GstClockTime duration;
|
||
|
GstClockTime running_time_at_end = GST_CLOCK_TIME_NONE;
|
||
|
gint asign, vsign = 1, esign = 1;
|
||
|
|
||
|
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
|
||
|
if (timestamp == GST_CLOCK_TIME_NONE) {
|
||
|
gst_buffer_unref (inbuf);
|
||
|
return GST_FLOW_ERROR;
|
||
|
}
|
||
|
g_mutex_lock (&self->mutex);
|
||
|
self->asegment.position = timestamp;
|
||
|
asign =
|
||
|
gst_segment_to_running_time_full (&self->asegment, GST_FORMAT_TIME,
|
||
|
self->asegment.position, ¤t_running_time);
|
||
|
if (asign == 0) {
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
gst_buffer_unref (inbuf);
|
||
|
GST_ERROR_OBJECT (self, "Could not get current running time");
|
||
|
return GST_FLOW_ERROR;
|
||
|
}
|
||
|
if (self->vsegment.format == GST_FORMAT_TIME) {
|
||
|
vsign =
|
||
|
gst_segment_to_running_time_full (&self->vsegment, GST_FORMAT_TIME,
|
||
|
self->vsegment.position, &video_running_time);
|
||
|
if (vsign == 0) {
|
||
|
video_running_time = GST_CLOCK_TIME_NONE;
|
||
|
}
|
||
|
}
|
||
|
while (!(self->video_eos_flag || self->audio_flush_flag
|
||
|
|| self->shutdown_flag) && (video_running_time == GST_CLOCK_TIME_NONE
|
||
|
|| gst_timecodewait_compare_guint64_with_signs (asign,
|
||
|
current_running_time, vsign, video_running_time) == 1)
|
||
|
&& self->running_time_of_timecode == GST_CLOCK_TIME_NONE) {
|
||
|
g_cond_wait (&self->cond, &self->mutex);
|
||
|
vsign =
|
||
|
gst_segment_to_running_time_full (&self->vsegment, GST_FORMAT_TIME,
|
||
|
self->vsegment.position, &video_running_time);
|
||
|
if (vsign == 0) {
|
||
|
video_running_time = GST_CLOCK_TIME_NONE;
|
||
|
}
|
||
|
}
|
||
|
if (self->audio_flush_flag || self->shutdown_flag) {
|
||
|
GST_DEBUG_OBJECT (self, "Shutting down, ignoring frame");
|
||
|
gst_buffer_unref (inbuf);
|
||
|
return GST_FLOW_FLUSHING;
|
||
|
}
|
||
|
duration = GST_BUFFER_DURATION (inbuf);
|
||
|
if (duration != GST_CLOCK_TIME_NONE) {
|
||
|
esign =
|
||
|
gst_segment_to_running_time_full (&self->asegment, GST_FORMAT_TIME,
|
||
|
self->asegment.position + duration, &running_time_at_end);
|
||
|
if (esign == 0) {
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
GST_ERROR_OBJECT (self, "Could not get running time at end");
|
||
|
gst_buffer_unref (inbuf);
|
||
|
return GST_FLOW_ERROR;
|
||
|
}
|
||
|
}
|
||
|
if (self->running_time_of_timecode == GST_CLOCK_TIME_NONE
|
||
|
|| gst_timecodewait_compare_guint64_with_signs (esign,
|
||
|
running_time_at_end, 1, self->running_time_of_timecode) == -1) {
|
||
|
GST_DEBUG_OBJECT (self,
|
||
|
"Dropped an audio buf at %" GST_TIME_FORMAT " with timecode %"
|
||
|
GST_TIME_FORMAT " video timecode %" GST_TIME_FORMAT,
|
||
|
GST_TIME_ARGS (current_running_time),
|
||
|
GST_TIME_ARGS (self->running_time_of_timecode),
|
||
|
GST_TIME_ARGS (video_running_time));
|
||
|
gst_buffer_unref (inbuf);
|
||
|
inbuf = NULL;
|
||
|
} else if (current_running_time < self->running_time_of_timecode
|
||
|
&& running_time_at_end > self->running_time_of_timecode) {
|
||
|
GstSegment asegment2 = self->asegment;
|
||
|
|
||
|
gst_segment_set_running_time (&asegment2, GST_FORMAT_TIME,
|
||
|
self->running_time_of_timecode);
|
||
|
inbuf =
|
||
|
gst_audio_buffer_clip (inbuf, &asegment2, self->ainfo.rate,
|
||
|
self->ainfo.bpf);
|
||
|
}
|
||
|
g_mutex_unlock (&self->mutex);
|
||
|
if (inbuf)
|
||
|
return gst_pad_push (self->asrcpad, inbuf);
|
||
|
else
|
||
|
return GST_FLOW_OK;
|
||
|
}
|
||
|
|
||
|
static GstIterator *
|
||
|
gst_timecodewait_iterate_internal_links (GstPad * pad, GstObject * parent)
|
||
|
{
|
||
|
GstIterator *it = NULL;
|
||
|
GstPad *opad;
|
||
|
GValue val = G_VALUE_INIT;
|
||
|
GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
|
||
|
|
||
|
if (self->asinkpad == pad)
|
||
|
opad = gst_object_ref (self->asrcpad);
|
||
|
else if (self->asrcpad == pad)
|
||
|
opad = gst_object_ref (self->asinkpad);
|
||
|
else if (self->vsinkpad == pad)
|
||
|
opad = gst_object_ref (self->vsrcpad);
|
||
|
else if (self->vsrcpad == pad)
|
||
|
opad = gst_object_ref (self->vsinkpad);
|
||
|
else
|
||
|
goto out;
|
||
|
|
||
|
g_value_init (&val, GST_TYPE_PAD);
|
||
|
g_value_set_object (&val, opad);
|
||
|
it = gst_iterator_new_single (GST_TYPE_PAD, &val);
|
||
|
g_value_unset (&val);
|
||
|
|
||
|
gst_object_unref (opad);
|
||
|
|
||
|
out:
|
||
|
return it;
|
||
|
}
|